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Message-ID: <BYAPR07MB4709AAF54E7C58B51FC26D20DDF50@BYAPR07MB4709.namprd07.prod.outlook.com>
Date:   Fri, 5 Jul 2019 11:39:57 +0000
From:   Pawel Laszczak <pawell@...ence.com>
To:     Greg KH <gregkh@...uxfoundation.org>
CC:     "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "felipe.balbi@...ux.intel.com" <felipe.balbi@...ux.intel.com>,
        "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
        "hdegoede@...hat.com" <hdegoede@...hat.com>,
        "heikki.krogerus@...ux.intel.com" <heikki.krogerus@...ux.intel.com>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "rogerq@...com" <rogerq@...com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "jbergsagel@...com" <jbergsagel@...com>,
        "nsekhar@...com" <nsekhar@...com>, "nm@...com" <nm@...com>,
        Suresh Punnoose <sureshp@...ence.com>,
        "peter.chen@....com" <peter.chen@....com>,
        Jayshri Dajiram Pawar <jpawar@...ence.com>,
        Rahul Kumar <kurahul@...ence.com>
Subject: RE: [PATCH v9 2/6] usb:gadget Separated decoding functions from dwc3
 driver.


>On Fri, Jul 05, 2019 at 11:57:14AM +0100, Pawel Laszczak wrote:
>> Patch moves some decoding functions from driver/usb/dwc3/debug.h driver
>> to driver/usb/gadget/debug.c file. These moved functions include:
>>     dwc3_decode_get_status
>>     dwc3_decode_set_clear_feature
>>     dwc3_decode_set_address
>>     dwc3_decode_get_set_descriptor
>>     dwc3_decode_get_configuration
>>     dwc3_decode_set_configuration
>>     dwc3_decode_get_intf
>>     dwc3_decode_set_intf
>>     dwc3_decode_synch_frame
>>     dwc3_decode_set_sel
>>     dwc3_decode_set_isoch_delay
>>     dwc3_decode_ctrl
>>
>> These functions are used also in inroduced cdns3 driver.
>>
>> All functions prefixes were changed from dwc3 to usb.
>> Also, function's parameters has been extended according to the name
>> of fields in standard SETUP packet.
>> Additionally, patch adds usb_decode_ctrl function to
>> include/linux/usb/gadget.h file.
>
>No it does not :(

I've forgot about this :( 

It should be include/linux/usb/ch.9.h

>
>> Signed-off-by: Pawel Laszczak <pawell@...ence.com>
>> ---
>>  drivers/usb/common/Makefile |   5 +
>>  drivers/usb/common/debug.c  | 268 ++++++++++++++++++++++++++++++++++++
>>  drivers/usb/dwc3/debug.h    | 252 ---------------------------------
>>  drivers/usb/dwc3/trace.h    |   2 +-
>>  include/linux/usb/ch9.h     |  25 ++++
>>  5 files changed, 299 insertions(+), 253 deletions(-)
>>  create mode 100644 drivers/usb/common/debug.c
>>
>> diff --git a/drivers/usb/common/Makefile b/drivers/usb/common/Makefile
>> index 0a7c45e85481..cdc66b59a6f0 100644
>> --- a/drivers/usb/common/Makefile
>> +++ b/drivers/usb/common/Makefile
>> @@ -5,6 +5,11 @@
>>
>>  obj-$(CONFIG_USB_COMMON)	  += usb-common.o
>>  usb-common-y			  += common.o
>> +
>> +ifneq ($(CONFIG_TRACING),)
>> +	usb-common-y		  += debug.o
>> +endif
>
>So only enable this if tracing is not emabled?  Or if enabled?  I'm
>confused, isn't there an easier way to write this?

It's checks if CONFIG_TRACING is enable. 
It's a common way checking if option is enabled in usb subsystem. 

>
>thanks,
>
>greg k-h

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